Synthia – A two-player light and sound instrument (2014) Posted by luu on Monday March 30, 2020 @11:06PM from the bhencke.com dept. https://www.bhencke.com/blog//2014/11/synthia-2-player-light-and-sound.html ( 3 comments | 21 points | on HN )
https://www.youtube.com/watch?v=XW1BBbvrEYA